1.perfect OEM service available 2.high quality & low price 3.accord with ISO9001 quality standard 5.prompt delivery 1.Structure: self-aligning ball bearings have two rows of steel balls,and there is a common concave sphered raceway in the outer ring. The bearing is consequently self-aligning and insensitive to angular misalignments of the shaft relative to the housing. 2.Application:self-aligning ...